This inventor holds 1 USPTO granted patent and 1 published patent application and 1 EPO patent. Top assignee: Tineco Intelligent Technology Co., Ltd.. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2026
Title: Yonghai Liu and a Surface-Cleaning System Invention
Introduction
Yonghai Liu is an inventor associated with Suzhou, JP, and Tineco Intelligent Technology Co., Ltd. The available information credits him with 1 patent, concerning a surface-cleaning system, device, and control method.
Latest Patents
Liu’s listed patent, “Surface Cleaning System, Surface Cleaning Device and Control Method Thereof,” describes a floor-brush assembly with a housing, roller brush, and movable roller-brush cover. The cover and housing form a cavity that accommodates the roller brush. The cover can move between two positions, creating different contact areas with the brush: the first area is at least zero and smaller than the second. This arrangement allows the roller brush to clean the cover’s inner wall.
Career Highlights
The available information associates Liu’s patent work with Tineco Intelligent Technology Co., Ltd., a company focused on cleaning technology. His listed invention addresses the design and operation of a roller-brush assembly for a surface-cleaning device.
Collaborations
Chunfeng Zhou and Xiaokang Dong are identified as Liu’s coworkers. The provided information does not specify their roles in the patent or whether they collaborated on this invention.
Conclusion
Yonghai Liu’s listed patent focuses on a movable roller-brush cover designed to help clean its inner wall, reflecting a practical innovation in surface-cleaning equipment.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile